Tempilaq Advanced is an accurate temperature indicating liquid that verifies the achievement of a specific temperature. It leaves a visible mark that dries fast prior to heating then liquefies at the stated temperature. The easy to mix formula can be applied on both horizontal and vertical surfaces. It is an efficient method that does not require calibration and it is optimal for heat-treating, preventive maintenance and any other temperature sensitive application. n-Propyl Bromide free, and enhanced to reduce settling.